private void DtgStudents_OnMouseDoubleClick(object sender, MouseButtonEventArgs e)
{
if (DtgStudents.SelectedItem == null)
{
return;
}
Student studentFromDb = null;
var selectedStudent = DtgStudents.SelectedItem as Student;
try
{
studentFromDb = _bll.Get(selectedStudent.Id);
}
catch (Exception exception)
{
MessageBox.Show($"Could not get the specified student. {exception.Message}");
}
TxtFirstName.Text = studentFromDb.FirstName;
TxtLastName.Text = studentFromDb.LastName;
TxtMajor.Text = studentFromDb.Major;
}